NPI age
10 years
Enumerated 2016-03-03
● Active
Type 1 · Individual
John Marson, D.O.
Marson is 1 of 8 pain medicine providers in Marietta and 1 of 125 in Georgia.
Primary specialty
Pain Medicine
Plus 4 subspecialties
Licensed in
GA, FL
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-07-20
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 125 active pain medicine providers in Georgia.
NPI age
10 years
↓ 5 yr below median (15 yr)
State licenses
2 states
Top 89% — 10% of peers are multi-state
Subspecialties
3
In the 50% of peers with subspecialties
NPI lifetime · 2016 → 2026
2016-03Enumerated in NPPES
2016
2026
Where they practice
Practice location
2550 Windy Hill Rd Se Ste 215
Marietta, GA 300678654
Mailing address
200 Heywood Ave., Apt. 901
Spartanburg, SC 29307
Specialties
-
Pain Medicine PrimaryPain Medicine is a primary medical specialty based on a distinct body of knowledge and a well-defined scope of clinical practice that is founded on science, research and education. It is concerned with the study of pain, the prevention...
-
Family MedicineFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
-
Pain MedicineInterventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.